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United States Space

NASA Retires Vomit Comet 42

Mr. Christmas Lights writes "NASA just retired the last of the KC-135 'vomit comets' which were used for reduced (and zero-g) gravity research by flying a parabolic trajectory for about 25 seconds of Zero-G. Two of these planes (originally Air Force aerial tankers) were used with the first one being retired in 2000. /. readers will be happy to know that among the various achievements was 'at least 285 gallons of vomit' .. although unknown how much when it was used for filming the Apollo 13 movie. NASA is replacing the KC-135's with a DC-9. There is some personal significance for me in that my father flew this airplane in the 1970's for the (real) Apollo astronauts ... he commented that maintaining the Zero-G profile was accomplished not by using the sensitive G-Meter, but by hanging a nut from a string in the cockpit ... if it drops, push forward, if it raises, pull back - simple but effective. There is a recent commercial offering in this area where for a measly $3,000, you can go for a ride in Gravity One ."
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NASA Retires Vomit Comet

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  • by I Be Hatin' ( 718758 ) on Saturday October 30, 2004 @08:26PM (#10676065) Journal
    /. readers will be happy to know that among the various achievements was 'at least 285 gallons of vomit' ... although unknown how much when it was used for filming the Apollo 13 movie.

    Vomit wasn't the only bodily excretion when the vomit comit was used for filming The Uranus Experiment [imdb.com]. So I guess that makes 285 gallons of vomit and one pop-shot.

  • by Vilim ( 615798 ) <ryan&jabberwock,ca> on Saturday October 30, 2004 @08:27PM (#10676071) Homepage

    "Two of these planes (originally Air Force aerial tankers) were used with the first one being retired in 2000

    ...

    Two of these planes (originally Air Force aerial tankers) were used with the first one being retired in 2000"

    Repeating sentances is fun!
    Repeating sentances is fun!

  • Poor Engineering (Score:4, Interesting)

    by pipingguy ( 566974 ) on Saturday October 30, 2004 @08:30PM (#10676092)

    he commented that maintaining the Zero-G profile was accomplished not by using the sensitive G-Meter, but by hanging a nut from a string in the cockpit ... if it drops, push forward, if it raises, pull back - simple but effective.

    My, how far we have come. Nows it's all about thrust-vectoring, F-16 style fly by wire and HUDs. The original test pilots were literally flying by the seat of their pants.

    I wonder why larger planes aren't being used for this type of work.
    • Re:Poor Engineering (Score:3, Interesting)

      by Gogo Dodo ( 129808 )
      One thing I noticed in the video of SpaceShipOne was a ping pong ball attached to a string in front of the pilot. It looked like some kind of visual attitude indicator. There was mention of it on the Discovery Channel special (some comment about it working great), but I didn't catch what it was actually there for. So old engineering tricks haven't gone completely out of style.

      • That sounds familiar to me as well. Then there was the M&M (or was it Skittles or Smarties) demonstration of weightlessness.

        One thing we *don't* want to do is discourage kids from studying engineering.

        I seem to keep repeating myself on this point, maybe I'll eventually get over the obsession.
  • Wait, we're they originally used as Air Force aerial tankers??
    • Yes, the KC135 was a tanker AirCraft, and that was the original use. The "K" means tanker. There were other versions if the C-135 (really a converted Boeing 707) as well, such as the E/RC-135 for electronic surveilance and radar, which I believe detected the radiation from Chernoble. There was also the VC-135 (VIP), which was used as Air Force One for several years. All in all, a widely used aircraft.
  • by vandelais ( 164490 ) on Saturday October 30, 2004 @09:25PM (#10676362)
    Honorable or dishonorable discharge?
  • by fm6 ( 162816 ) on Saturday October 30, 2004 @09:51PM (#10676491) Homepage Journal
    Heard Tom Hanks talk about the making of A13. Turns out he didn't get sick unless he forgot to take his Scopdex. Never used Scopdex? Not suprising, since it's a combination of scopolamine [bartleby.com] and dexedrine [healthoptions.com]. Just say no!
    • So you're saying that they actually used this thing to make Apollo 13!? All this time I thought they were on wires! That is just hellacool.
      • So you're saying that they actually used this thing to make Apollo 13!? All this time I thought they were on wires! That is just hellacool.

        Absolutely. The weightless scenes in Apollo 13 are the real deal.
        • What about the various shots that show hands pushing buttons? I assume those were shot with the buttons and hands at 1 G. Do you know anything about that?
          • Of course. Only the scenes that actually showed the crew "free" were filmed aboard the vomit comet. The rest were filmed on a sound stage. The plane was far too expensive to waste time filming the mundane scenes where the lack of zero G wasn't discernable from the shot.

            An interesting "rumor" I heard about the movie was that the NASA geeks were given a special private preview screening of the film. The old timers all wanted to know where they got the footage of the launches, because they had seen it al

      • That is just hellacool.
        I guess. It sort of depresses me that 20-odd years after the first trip to the moon, the VC was still the only practical place to film in microgravity.

        The hard part was that each period of microgravity only lasted about 15 minutes. So that was the maximum length of any take.

  • by bergeron76 ( 176351 ) * on Saturday October 30, 2004 @11:54PM (#10676984) Homepage
    It's highly recommended. After the first parabola you start feel uneasy while simultaneously feeling excited and deeply stimulated. Going into the second "Zero-G" (the steepest of the paraBOLUAAAGGGGHHHRRRRRUUUUGGGGGARRGGGGFFFFH...

  • The real reason NASA is ditching the Vomet Comet is that it has become obsolete. It would do nothing to prepare astronauts for the experience of being hurled into orbit with the X-4000 Launch Aparatus. [uncoveror.com]
  • Back in September I was privileged to get to ride on Zero-G's plane, and I just thought I'd mention that it's called G-Force One, not Gravity One. What a kick, too! Definitely recommend it for anyone who can scratch up the $3,000 for some frivolous fun.
    • A pilot friend of mine took me for some zero G arcs in a Cessna 152 Aerobat. We only got a few seconds of weightlessness at a time before he approached VNE. It was quite a bit longer than even the best rollercoasters I've been on, though. Perhaps four or five seconds.

      But we were indeed weightless for a little while anyway, and yes, it was really an amazing feeling. I don't know if it's worth $3000 to do it without the seatbelts, though.

  • I'm so glad the editors actually *read* the submissions they put on the front page.

    A real professional job, folks.

    Yes, offtopic I know.
  • Dupe (Score:2, Funny)

    by Anonymous Coward
    Two of these planes (originally Air Force aerial tankers) were used with the first one being retired in 2000.
    Two of these planes (originally Air Force aerial tankers) were used with the first one being retired in 2000.


    It's a new time-saving feature from the eds here at Slashdot. If they're going to make a story a dupe, they'll do them both at once!
  • by Animats ( 122034 ) on Sunday October 31, 2004 @10:21PM (#10682652) Homepage
    Talk about old news.

    A much bigger deal was the retirement, last August, of the Dash-80 [si.edu]. The Dash-80, the original KC-135/Boeing 707 prototype, first flew in 1954. It was used for many test programs therafter, flying until 2003. This was the prototype of the first really successful jetliner.

    (The DeHavilland Comet flew years before the Dash-80, but the underpowered Comet had metal fatigue problems and all were grounded after several crashes. The Tupolev Tu-104 was a civilian version of the Badger bomber, braking chutes and all. The Dash-80/707/KC-135 was the first commercial transport that really worked.)

  • Now the Olson Twins can have a private jet that assists their weight-loss regimen.

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